Silver Book publication

Infectious Diseases

Between 5 and 10 million Americans acquire pneumonia, 35 to 50 million are afflicted with influenza, and 1 million get herpes zoster (shingles)— each year. Not only are older Americans more likely to get these infections, but as a result, they are much more likely to be hospitalized, suffer more complications, and are significantly more likely to die. In fact, the death rate from pneumonia and influenza combined is close to 130 times higher in people age 85 and older, compared to people ages 45 to 54. This increased risk due to age is even higher than that seen in heart disease, stroke, cancer, and other leading causes of death.

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    • HAI Annual Cost
      Healthcare-associated infections in US hospitals cost $96–$147 billion annually.  
    • Pneumonia Death Rate by Age in 2004
      Pneumonia Death Rate Per 100,000 By Age: United States, 2004  
    • Medicare hospitalization rates from pneumonia
      Elderly Medicare patients are hospitalized with community-acquired pneumonia at a rate of 18.3 per 1000, compared to 4 per 1000 in younger populations.  
    • >900,000 cases of pneumonia each year
      Each year, more than 900,000 cases of community-acquired pneumonia are estimated to occur in seniors in the U.S.  
    • 1 in 3 people will develop shingles
      An estimated 1 in 3 people will develop shingles in their lifetime.  
    • ~1 million Americans get shingles each year
      Around 1 million Americans get herpes zoster (shingles) each year.  
    • Flu rates in long-term care facilities
      Residents of long-term care facilities are particularly vulnerable to influenza, with rates of illness that range as high as 25% to 60%.  
    • 35-50 million people get the flu each year
      Between 35 and 50 million Americans get influenza each year.  
    • Annual incidence of pneumonia in Medicare population
      In Medicare beneficiaries, the average cumulative annual incidence of any type of pneumonia was 47.4 per 1,000 from 2005 to 2007.  
    • Pneumonia in nursing home residents
      Every year an estimated 2.3% of nursing home residents acquire pneumonia—more than 33,000 residents.  
    • 5 to 10 million Americans get pneumonia each year
      Between 5 and 10 million Americans get pneumonia each year.  
    • 1 in 20 age 85+ will have pneumonia
      Every year 1 in 20 Americans age 85+ will have an episode of community-acquired pneumonia.  
    • 5 – 20% of the U.S. population gets the flu each year
      Between 5% and 20% of the U.S. population gets the flu each year.